llvm/test/CodeGen/Mips/rotate.ll
Akira Hatanaka ed2a7d2780 Change names for MIPS "generic" processors defined in Mips.td to match what GNU
tools use. Patch by Simon Atanasyan.

"mips32r1" => "mips32"
"4ke" => mips32r2"
"mips64r1" => "mips64"



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145451 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-29 23:08:41 +00:00

41 lines
807 B
LLVM

; RUN: llc -march=mips -mcpu=mips32r2 < %s | FileCheck %s
; CHECK: rotrv $2, $4
define i32 @rot0(i32 %a, i32 %b) nounwind readnone {
entry:
%shl = shl i32 %a, %b
%sub = sub i32 32, %b
%shr = lshr i32 %a, %sub
%or = or i32 %shr, %shl
ret i32 %or
}
; CHECK: rotr $2, $4, 22
define i32 @rot1(i32 %a) nounwind readnone {
entry:
%shl = shl i32 %a, 10
%shr = lshr i32 %a, 22
%or = or i32 %shl, %shr
ret i32 %or
}
; CHECK: rotrv $2, $4, $5
define i32 @rot2(i32 %a, i32 %b) nounwind readnone {
entry:
%shr = lshr i32 %a, %b
%sub = sub i32 32, %b
%shl = shl i32 %a, %sub
%or = or i32 %shl, %shr
ret i32 %or
}
; CHECK: rotr $2, $4, 10
define i32 @rot3(i32 %a) nounwind readnone {
entry:
%shr = lshr i32 %a, 10
%shl = shl i32 %a, 22
%or = or i32 %shr, %shl
ret i32 %or
}